| J1 League 1999 2nd stage - Appearances as Assistant | ||||
| 17/08/1999 | Kashiwa Reysol | - | Nagoya Grampus Eight | 1:2 |
| 26/11/1999 | Kashima Antlers | - | Verdy Kawasaki | 2:1 |
| J1 League 1999 2nd stage - Appearances as Assistant | ||||
| 17/08/1999 | Kashiwa Reysol | - | Nagoya Grampus Eight | 1:2 |
| 26/11/1999 | Kashima Antlers | - | Verdy Kawasaki | 2:1 |
| Complete name: | Toshiyuki Mayuzumi |
| Born: | 31/08/1955 |
| Place of birth: |
Japan |
| Nationality: |
Japan |